Question

write the effect of change of pH mouth and stomach ​

Answer 1

Answer:

Within the digestive system, pH values range from extremely acidic to slightly alkaline. Eases passage of food through the food pipe and breaks down starch. Begins the predigestion process. Releases hydrochloric acid to break down food and kill bacteria

Answer 2

Answer:

when we eat the the food will stick to the teeth and this leads to increase the germs. As germs increase the acidic medium increase this leads to 4 to 5 Ph. In stomack when acidity occur due to excess acid we can use antacid which is base to neutralise.